ISD5008ZI

Series:	ChipCorder®
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Interface:	SPI
Moisture Sensitivity Level (MSL):	--
Input Signal:	Analog - Single Ended, Microphone
Output Signal:	Analog - Single Ended, Analog Differential, PWM Speaker Output
Sampling Frequency:	4 ~ 8kHz
Duration:	4 ~ 8 Min
Filter Pass Band:	1.7 ~ 3.4kHz
Messaging:	Multiple
Oscillator Type:	Internal/External
Features:	Auto Mute, Automatic Gain Control, Volume Control
Operating Temperature:	-40°C ~ 85°C (TA)
Voltage - Supply:	2.7V ~ 3.3V
Mounting Type:	Surface Mount
Package / Case:	CSP-20
Supplier Device Package:	20-CSP

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Introduction

ISD5008ZI is a voice record and playback device developed by CML. It is an integrated IC designed with a dedicated on-chip eight-bit audio codec. Its core is an embedded microprocessor and multiple analog integrated components and E2 style digital memory. This device is designed in low voltage technology, which offers better signal-to-noise ratio (SNR) and lower power consumption.

Application Field

ISD5008ZI is a universal device used in a variety of applications including digital recording, voice recognition and biometric authentication, home security and surveillance systems, industrial control systems, remote metering, and many more.

Working Principle

The functioning of the ISD5008ZI starts by converting analog audio signals into 8-bit digital audio signals. After the signal is converted, it is stored in onboard E2PROM which is an erasable nonvolatile memory. It also employs a low-power standby mode when the power is off. Once the power is turned on, the stored data is loaded from the E2PROM and encoded into the data stream. After this, the playback process is initiated and the analog signals are put out through on-chip high-efficiency waveform-shaping circuits. It is designed to ensure correct transmission of high-quality audio information.

Analysis

ISD5008ZI is a high-performance voice recording and playback device which is widely used in many applications. It offers a wide range of features such as 8-bit audio codec, integrated microprocessor, E2PROM memory, low-power standby mode, waveform-shaping circuits, and more. These features enable ISD5008ZI to provide excellent sound quality and reduce power consumption.

Conclusion

ISD5008ZI is a high-performance and cost-effective voice record and playback device which is widely used in many applications. It has the capability to convert analog audio signals into 8-bit digital audio signals and store them in onboard E2PROM. Its low-power standby mode helps to reduce power consumption and provides excellent sound quality. Thus, ISD5008ZI is the perfect device for applications requiring high-performance audio recording and playback.

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